Microphone boom hinge



FIG. 1 is a top, front and left side perspective view of a microphone boom hinge showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a front elevational view thereof, the rear being a mirror image. 

The ornamental design for microphone boom hinge, as shown and described. 